/**
 * dum.com Inc.
 * Copyright (c) 2004-2016 All Rights Reserved.
 */
package org.seckill.web;

import java.util.Date;
import java.util.List;

import org.seckill.dto.Exposer;
import org.seckill.dto.SeckillExecution;
import org.seckill.dto.SeckillResult;
import org.seckill.entity.Seckill;
import org.seckill.enums.SeckillStateEnum;
import org.seckill.exception.RepeatKillException;
import org.seckill.exception.SeckillCloseException;
import org.seckill.service.SeckillService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.CookieValue;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

/**
 * 
 * @author wb-dumao
 * @version $Id: SeckillController.java, v 0.1 2016年9月8日 上午10:13:39 wb-dumao Exp $
 */
@Controller //@Service @Compent
@RequestMapping("/seckill") //url:/模块/资源/{id}/细分
public class SeckillController {

    /** logger */
    private final Logger   logger = LoggerFactory.getLogger(this.getClass());

    /**  */
    @Autowired
    private SeckillService seckillService;

    @RequestMapping(value = "/list", method = RequestMethod.GET)
    public String list(Model model) {
        //list.jsp+model=ModelAndView
        List<Seckill> seckills = seckillService.getSeckillList();
        model.addAttribute("list", seckills);
        return "list"; // /WEB-INF/jsp/"list".jsp
    }

    @RequestMapping(value = "/{seckillId}/detail", method = RequestMethod.GET)
    public String datail(@PathVariable("seckillId") Long seckillId, Model model) {
        if (seckillId == null) {
            return "redirect:/seckill/list";
        }
        Seckill seckill = seckillService.getById(seckillId);
        if (seckill == null) {
            return "forward:/seckill/list";
        }
        model.addAttribute("seckill", seckill);
        return "detail";
    }

    //ajax json
    @RequestMapping(value = "/{seckillId}/exposer", method = RequestMethod.POST, produces = { "application/json;charset=UTF-8" })
    @ResponseBody
    public SeckillResult<Exposer> exposer(@PathVariable Long seckillId) {
        SeckillResult<Exposer> result;

        try {
            Exposer exposer = seckillService.exportSeckillUrl(seckillId);
            result = new SeckillResult<Exposer>(true, exposer);
        } catch (Exception e) {
            logger.error(e.getMessage(), e);
            result = new SeckillResult<Exposer>(false, e.getMessage());
        }

        return result;
    }

    @RequestMapping(value = "/{seckillId}/{md5}/execution", method = RequestMethod.POST, produces = { "application/json;charser=UTF-8 " })
    @ResponseBody
    public SeckillResult<SeckillExecution> execute(@PathVariable("seckillId") Long seckillId,
                                                   @PathVariable("md5") String md5,
                                                   @CookieValue(value = "killPhone", required = false) Long phone) {
        //springmvc valid
        if (phone == null) {
            return new SeckillResult<SeckillExecution>(false, "未注册");
        }

        SeckillResult<SeckillExecution> result = null;
        try {
            SeckillExecution seckillExecution = seckillService.executeSeckill(seckillId, phone,
                md5);
            return new SeckillResult<SeckillExecution>(true, seckillExecution);
        } catch (RepeatKillException e) {
            SeckillExecution execution = new SeckillExecution(seckillId,
                SeckillStateEnum.REPEAT_KILL);
            return new SeckillResult<SeckillExecution>(true, execution);
        } catch (SeckillCloseException e) {
            SeckillExecution execution = new SeckillExecution(seckillId, SeckillStateEnum.END);
            return new SeckillResult<SeckillExecution>(true, execution);
        } catch (Exception e) {
            logger.error(e.getMessage(), e);
            SeckillExecution execution = new SeckillExecution(seckillId,
                SeckillStateEnum.INNER_ORROR);
            return new SeckillResult<SeckillExecution>(true, execution);
        }

    }

    @RequestMapping(value = "/time/now", method = RequestMethod.GET)
    @ResponseBody
    public SeckillResult<Long> time() {
        Date date = new Date();
        return new SeckillResult<Long>(true, date.getTime());

    }

}
